revert: restore TCP 7000 frpc config (WebSocket via Nginx not working)

Made-with: Cursor

lib/frpc.js

@@ -144,22 +144,16 @@ function downloadFile(url, dest) {
 }
 
 function writeFrpcConfig(clawId, frpConfig) {
-  const { auth_token, dashboard_local_port = 18789 } = frpConfig;
+  const { server, port, auth_token, dashboard_local_port = 18789 } = frpConfig;
   const ttyRemotePort = 10000 + Number(clawId);
-  // 固定使用 WebSocket over HTTPS (443)，可穿透仅开放 443 的网络环境；
-  // 旧版 clawd 仍使用后端下发的 server:7000（TCP），两者并存互不影响。
   const toml = `# 由 clawd 自动生成，请勿手动修改
-serverAddr = "frp.claw.cutos.ai"
-serverPort = 443
+serverAddr = "${server}"
+serverPort = ${port}
 
 [auth]
 method = "token"
 token = "${auth_token}"
 
-[transport]
-protocol = "websocket"
-tls.enable = true
-
 [[proxies]]
 name = "dashboard-${clawId}"
 type = "http"